Improvement in book-holders



lTo all whom it may con-cern: 1 B e' it known that I, WILLIAM J. THo'RN, of Westbrook, in the county of Cumberland andtate of 'Maine, have invented a new and useful BookStand; AandlA hereby declare the following to be a full, clear, l and exact description of the saine, reference being am Aeinem.

WILLIM J. THOR-N, 0F WESTBROOIL'MAINE.

Letters PatctN 107,310, (if-ated S'eptcmber 13, 1870.

IMPROVEMENT IN BooK-HOLDERS.

The Srchcdule referred to in these Letters.v Patent land making part of the same.

had tothe accompanying drawing forming part of th'is specification, in which- Figure 1 shows aside elevation.

Figure 2, a front elevation. v

Figure 3, a view of the spring for the clamp.

lSameletters show like parts.

The purpose of this intention .is to prox-idea device for holding books, manuscript, music, &c., while, being read.

-The invention consists- First, in the holden-with its jclamp.

. Second, of a means of elevating and depressing thethe saine.A 3

v Asthe holder with its projecting sheli` B.

U is the spring clamp, with flaring ends, to confine and keep open or spread out the book'or sheet placed on said holder and shelf. The clamp is of the form shown in the drawing, and passes through the block D, which is hollow. '.lherein is a coiled spring, E, wound around the part ofthe clamp passing through -the block, attached at one end to said clamp, and at the other to the block, and so arranged as to keep the clamp pressed against the face of the holder. It can be drawn oi to insert the book and other article, but the spring E will press it back againstthe book, and so retain it in place.

Fis a stud, to prevent the clamp Abeing drawn olf. so far as to be in dangeroi' breakingthe spring E.

G is the standard. 1

H, thebase. n

The holder A is attached to the standard by a `]o1nty orhinge, I, so that the inclination ofthe holder can be varied -to suit the user, that is, from a nearly vertical to a nearly horizontal position. A'

J is a rod ruiming `down'in the hollow of the standard G, held by the adjusting bolt K.' By this thel elevation ofthe holder can be regulated, and it can be held at any desired point bythe bolt K.

' The base H is for use when the device is to be' placed on a table or desk or other place, and' to be leadily removed or carried about, or when it isnot desirable to have the devicerattaohed to any article of furniture.

What I claim as my invention, and desire to secure by Let-ters Patent, is-'- The holder A, with the clamp 0 block 1), joint I, standard G, and base H, as herein described.

Witnesses:

WM. HENRY CLIFFORD, HENRY C. HoUs'roN.

`WM. J. THORN, 

